8. Centripetal Forces & Gravitation

What is the primary cause of Earth's seasons according to Newton's Law of Gravity ($F=\frac{\mathrm{Gm\_1m\_2}}{r^2}$)?

According to Newton's Law of Gravity, what is the magnitude of the gravitational force acting on the Sun due to the Earth, given their masses $M$ (Sun), $m$ (Earth), and the distance between them $r$? Choose the correct formula.

According to Newton's Law of Gravity, the gravitational force between two objects depends on which two properties of the objects? $F=\frac{G}{r}\frac{m_1{m}_2}{r^2}$

According to Newton's Law of Gravity, which of the following correctly expresses the gravitational force $F$ between two masses $m_1$ and $m_2$ separated by a distance $r$?

According to Newton's Law of Gravity, what prevents the Sun's outer layers from collapsing further inward under gravity?

The Sun appears to rise and set because of which of the following?

According to Newton's Law of Gravity, if the force of gravity between two objects increases, which of the following could be true?

Why do objects weigh less on the $\mathrm{Moon}$ than on the $\mathrm{Earth}$?

According to Newton's Law of Gravity, which of the following objects exerts a gravitational force?

Which of the following statements about Newton's law of gravitation is true?

Which natural phenomenon on Earth is primarily caused by the gravitational pull of the $\mathrm{Moon}$?

According to Newton's Law of Gravity, what is the major cause of seasonal changes on $Earth$?

Which of the following best describes the comparison between the $\mathrm{electrical}\mathrm{force}$ and the $\mathrm{gravitational}\mathrm{force}$ between two protons at the same distance?

According to Newton's Law of Gravity, how do the masses of two objects affect the strength of the gravitational force between them?

According to Newton's Law of Gravity, is it possible for an object to change its weight ($w$) without changing its mass ($m$)?